5471639794 has 8 divisors (see below), whose sum is σ = 8208256860. Its totient is φ = 2735554176.

The previous prime is 5471639773. The next prime is 5471639801. The reversal of 5471639794 is 4979361745.

It can be written as a sum of positive squares in 2 ways, for example, as 5461949025 + 9690769 = 73905^2 + 3113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106039 + ... + 148954.

Almost surely, 2^5471639794 is an apocalyptic number.

5471639794 is a deficient number, since it is larger than the sum of its proper divisors (2736617066).

5471639794 is a wasteful number, since it uses less digits than its factorization.

5471639794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265724.

The product of its digits is 5715360, while the sum is 55.

The square root of 5471639794 is about 73970.5332818414. The cubic root of 5471639794 is about 1762.1349558622.

The spelling of 5471639794 in words is "five billion, four hundred seventy-one million, six hundred thirty-nine thousand, seven hundred ninety-four".